This article will guide you on how to fix #Captcha Option #error in DNN Websites. We resolved the image not visible error even after enabling the Captcha option by editing the web.config file and checking the ASP.net version in DNN websites.
#DNN #websites have systematically been targeted for #Spam New User Registrations. There has been some discussion around the how and why, and as much as we can tell, the problem is this:
1. Some script kiddy has bothered to write a bot that finds DNN websites. It is not even a good bot, because it is not capable of validating registrations to automated active email addresses. (If you are the creator of the bot… “YOU ARE DOING IT WRONG” as it is not going to bring the Google results you are looking for.)
2. The bot will attempt access to: www.yoursite.com /?ctl=Register